This listing is for a box of 100 umbrella style Polyacrylic valve stem seals.They are commonly used in many 4, 6, and 8 cylinder engines from Buick, Chevrolet, Ford, Pontiac, and Oldsmobile that have 11/32" valves.

COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger-than-stock diameter spring is used, in the case of a double spring, the positive-stop seal is used. The umbrella seals req [read more]

COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger-than-stock diameter spring is used, in the case of a double spring, the positive-stop seal is used. The umbrella seals req [read more]

Made of high-temp Viton material, these Valve Seals feature a full or semi umbrella shape for best dual-purpose use. Helps prevent oil seepage down valve guides. Not recommended for use with dual valve springs. Sold in sets of 16.